Lamp shade



M. GREITZER.

LAMP SHADE. APPLICATION HLED AUG.3l- 1921.

Patented July 18, 1922.

A TTORNE Y MEYER ennrr'znn, or nnwroian, n. .Y. L

-;; reins.

LAMP SHADE;

Application filed August 31, 1921.

To all 107mm 2'2? may concern area in any desired direction.

With the foregoing-and other ob ccts in view, which will appear as the description proceeds, features of parts which will be more fully described hereinafter, and particularly pointed out in the claims. I

In the drawings accompanying and forming part of this specification:

Fig.1 is a side elevation, partly broken away, of an electric-drop light provided with a shade constructed in accordance with the present invention;-a11d Fig. 2 is a partly sectional side elevation taken at'right anglesto Fig. l, the light directing member being shown in full lines in one extreme position and in dotted lines in the other extreme position The same characters of reference designate the same parts in the different figures of the drawings.

Referring to the drawings, 2 designates a shade holder of the usual construction at taohed to a drop light socket 3 carrying a light bulb 4:, the holder being provided. with the usual thumb screws 5 for retaining the shade.

The shade forming the subject matter of the present invention comprises a spherical member 6 having an opening provided with a suitably curved edge for attachment to" the holder in the usual manner. The shade is further provided with an elongated slot 7 extending preferably from a point dia metrically opposite the shade holder to within a short distance from the holder-connecting edge of the shade, and within this slot is secured for reciprocation from one end of the slot to the other a flared tubular lightdirecting member 8, the end walls of the slot being curved to fit the outer side of said member. Secured to the member 8,

the'in'vention consists in the novel of construction and combination Specification of Letters Patent.

:sponding to that of the Serial N0. 497,082. 7

- within the shade, is a slot-closing member a curvature correshade and provided or follower 9, having with an opening of suflicient diameter to fit snugly over the inner 8, said member being shown at 10 thereby slot closingniember 9 thereon. be seen that closing member or follower member 8 opposite from the 3 member tended into slot-closing position shown in end of the member upset or flanged as to securely retain the It will thus when the directing member 8 is moved from one end of the slot to the other, as for instance from the position shown in full linesto the dotted'line positionillustratcd in Fig. 2, the follower 9 will move with it: and thus close the slot after the 111101111361 8 has passed. A second slot within the shade at theside of the directing follower 9. This second follower, however, is made up ofa plurality each slidable within the next succeeding 'andhaving its longitudinal edges turned over those of said] succeeding member thereby to prevent lateral disengagement ofsaidmembers. In orderto pre- "Patcntedd uly.3 8, is??? is provided of telescoping members 11,,

vent the members 11 from sliding out of en- .gagement with each ,other, they are provided adjacent their endswith an indentation '12, whereby'when the members are exposition, any tendency to pull apartwill be resisted by the engagementof the indentation at. the rear end of onewith' that at the'front end of the next succeedingmember, as clearly shown in Fig. 2. The foremost member 11 sim ilarly connected to the end of the member 9 and the rearmost member 11 to a fixed member 13 secured within and above the upperend of the slot 7. If desired, the shade may be provided with an outwardly pressed depression let for guiding the followers in their travel. i i

In operation, when the mcmber 8 is in the full lines inFig. 2, the light will be directed on an area directly below the bulb, while the'portion of the slot not occupied by the light-directing member will be covered by the telescoping members 11, thereby preventing. escape of light through said slot. desired to direct the light on an area at an angle thereto, the member 8 is moved along the slot 7 to the proper point, the movement of the member 8 causing the members 11 to telescope one within the other, while the member 9 follows the light-directing mem- When, however, it is her 8 and covers the slot, and in its turn prevents escape of light. When the light-d1- recting member is 1n the upper extreme position shown in dotted lines in Fig. 2, the tele scoping members 11, together with the portion of the member 9 shown at the left of the lightdirecting member in Fig. 2 will be nested within the fixed member 13.

From the foregoing it will be seen that I have provided a shade by means of which the light can be directed on any desired area at any angle below the upper end of theslot, and anywhere around the circumference of the lamp, since if it is desired to direct the light, for instance, toward an area in the same horizontal plane but at right angles to the dottedposition of the member 8 in Fig. 2, it would only be necessary to release the thumb screws 5 and rotate the shade to the proper position. i

It is to be understood that while i. have described in detail the structure herein illustrated, I do not thereby limit my invention to the precise features ofconstruction shown, as I am aware that many mechanical changes aud'modifications may be made therein without departing from the spirit andscope 0t the claims appended hereto.

Having thus described my invention, what I claim 1s:

1. A lamp shade, comprising a spherical member adapted to be removably secured to a lamp and provided with an elongated:

opening, a light-directing member movable within said opening, and means 'for closing the portions of the opening not occupied by said movable member,

2. A lamp shade, comprising a spherical member adapted to be removably secured to a lamp and provided with an elongated opening, a light-directing member movable within said opening, and means movable with said last member for closing the portions of the opening not occupied by said movable member.

3. A lamp shade, comprising a spherical member adapted to be removably secured to directing member movable from one end of said slot to the other, and slot-closing memhere at opposite sides of said light directing member for closing theportions of said slot not OCCLlPlBCl. by the light-directing memben A. lamp shade, comprising a globe .adaptedto be removably secured to a lamp and provided with an elongated slot, a lightdirecting member movable from one end oi? said slot to the other,and slot-closing mem bers at opposite SlClGSOf said light-directing member :l'orv closingthe portions of said slot not occupied by the light-directing member,

- one of said-slot-closing members comprising a plurality of telescopic members;

(LA lamp shade, comprising a globe adapted to be removably secured to a lamp and provided with an elongated slot, a lightdirecting member movable from one end of said slot to the other, and slot-closingmembers at opposite sides of said light-directing member and movable therewith for closing the portions or said slot not occupied by the light-directing member, one of said slot-closing in .nbers comprising a plurality of telescopic members. t t

In testimony whereof I have signed my name to this specification. p

. MEYER GREITZER. 

